Changeset 3276

Timestamp:

28/01/08 12:06:49 (12 years ago)

Author:

mkochan

Message:

Modified csmlGrapher.py to read in CSML via HTTP from a URL.

File:

• DPPP/kml/csml2kml/python/pylonsstack/pylonsstack/controllers/csmlGrapher.py (modified) (2 diffs)

DPPP/kml/csml2kml/python/pylonsstack/pylonsstack/controllers/csmlGrapher.py

@@ -10 +10 @@
 from datetime import datetime, timedelta
 import re
+import urllib
 from cStringIO import StringIO
 from tempfile import NamedTemporaryFile
+from cElementTree import Element, ElementTree, XML
 
 log = logging.getLogger(__name__)
@@ -82 +84 @@
             response.content_type = 'image/png'
             response.content = buf.getvalue()
+            
+        def wget(url):
+            socket = None
+            content = None
+            try:
+                socket = urllib.urlopen(url)               # open a socket (actually a file-like object)
+                content = socket.read()                    # read the text in
+            finally:
+                if socket: 
+                    socket.close()
+            return content
+
+        #-------------------------------------------------------------------------------------------------------------------
 
         feature_id = request.params['feature_id']              # get feature ID from HTTP request
 
-        ds=csml.parser.Dataset()                               # parse the dataset
-        ds.parse('/home/users/mkochan/svn-root/kml/csml2kml/etc/pointseries/exampleps.xml')
-        features = ds.featureCollection.featureMembers         # isolate the requested feature
-        feature = None
-        for any_feature in features:
+        station_id = 'NA'
+        geoServerURL = 'http://bond.badc.rl.ac.uk:8089/dummyGeoServer/GetStationCSMLFeatures?station_id=' + station_id
+        geoSrResponse = wget(geoServerURL)                     # get response from GeoServer
+
+        tree = ElementTree(XML(geoSrResponse))                 # parse in the feature collection
+        fc = csml.parser.CSMLFeatureCollection()
+        fc.fromXML(tree.getroot())        
+        if not fc:
+            exit()
+
+        feature = None                                         # find the requested feature
+        for any_feature in fc.featureMembers:
             if any_feature.id == feature_id:
                 feature = any_feature